Coffee grinder



FIG. 1 is a front perspective view of the design of the coffee grinder;

FIG. 2 is a front elevation view of the coffee grinder of FIG. 1;

FIG. 3 is a first side elevation view of the coffee grinder of FIG. 1, with the second side elevation view being a mirror image of FIG. 3;

FIG. 4 is the rear elevation view of the coffee grinder of FIG. 1;

FIG. 5 is a top plan view of the coffee grinder of FIG. 1; and,

FIG. 6 is the bottom plan view of the coffee grinder of FIG. 1.

The portion shown in broken lines is for illustrative purposes only and forms no part of the claimed design. 

We claim the ornamental design for a coffee grinder, as shown and described. 